static gint
item_compare_tricky(gconstpointer a,
gconstpointer b)
{
if (sort_by_name)
return item_compare(a, b);
const GwyItemTest *itemtesta = (const GwyItemTest*)a;
const GwyItemTest *itemtestb = (const GwyItemTest*)b;
return itemtesta->value - itemtestb->value;
}
static int list_read(const char *file_name,
ipv4_rangelist_item_t **list,
size_t *list_items,
size_t *list_alloc)
{
FILE *f;
size_t i, j, lineno;
char line[256], *hlp;
int ooo = 0;
FUN("list_read");
#ifndef IPLIST_IGNORE_DESCRIPTION_FIELD
for (i = 0; i < *list_items; i++) {
if ((*list)[i].description != NULL) {
free((*list)[i].description);
(*list)[i].description = NULL;
}
}
#endif /* ! IPLIST_IGNORE_DESCRIPTION_FIELD */
*list_items = 0;
f = fopen(file_name, "r");
if (f == NULL) {
LOGS(L_PEER,L_ERROR,
("Can't open ip range file \"%s\".\n", file_name));
return -1;
}
i = 0;
lineno = 0;
while(fgets(line, sizeof (line), f) != NULL) {
lineno++;
while (((hlp = strchr(line, '\n')) != NULL) ||
((hlp = strchr(line, '\r')) != NULL)) {
*hlp = '\0';
}
if (*line == '#') {
/* ignore comment lines */
continue;
}
if (i >= *list_alloc) {
ipv4_rangelist_item_t *nl;
nl = (ipv4_rangelist_item_t *)
xcalloc(*list_alloc + IPLIST_ITEM_ALLOC_STEP,
sizeof (*nl));
if (*list != NULL) {
for (j = 0; j < i; j++) {
nl[j] = (*list)[j];
}
xfree(*list);
}
*list = nl;
*list_alloc += IPLIST_ITEM_ALLOC_STEP;
}
if (parse_list_line(line, &(*list)[i])) {
if (((*list)[i]).range_start > ((*list)[i]).range_end) {
LOGS(L_PEER,L_ERROR,
("Ignored empty range \"%s\" on line %d in iplist.\n",
line, lineno));
} else if ((i > 0) &&
(item_compare(&((*list)[i - 1]), &((*list)[i])) > 0)) {
/* Range is out of order and the array needs to be
* sorted afterwards
*/
ooo = 1;
i++;
} else {
i++;
}
} else {
LOGS(L_PEER,L_ERROR,
("Invalid line \"%s\" on line %d in iplist.\n",
line, lineno));
}
}
fclose(f);
if (ooo) {
LOGS(L_PEER,L_MINOR, ("Range file is out of order, sorting data.\n"));
qsort(*list, i, sizeof (ipv4_rangelist_item_t), item_compare);
}
*list_items = i;
/* give some feedback */
info("%d entries ", i);
return *list_items;
}